import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

// 导入拆分的功能路由组件(按照权限分配浏览)
import approvalsRouter from '@/router/modules/approvals'
import departmentsRouter from '@/router/modules/departments'
import employeesRouter from '@/router/modules/employees'
import permissionRouter from '@/router/modules/permission'
import attendancesRouter from '@/router/modules/attendances'
import salarysRouter from '@/router/modules/salarys'
import settingRouter from '@/router/modules/setting'
import socialRouter from '@/router/modules/social'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 设置静态路由(每个用户都能访问 无需权限)
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    // 一级路由设置
    path: '/404',
    component: () => import('@/views/404'),
    // 自定义属性 如果设置为true 就不会再左侧菜单展示出来 但是依旧具有效果(在SidebarItem.vue中定义的)
    hidden: true
  },

  {
    // 一级路由设置
    path: '/',
    component: Layout,
    // 二级路由设置
    redirect: '/dashboard',
    children: [{
      path: 'dashboard',
      name: 'dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: '首页', icon: 'dashboard' }
    }]
  },

  {
    path: '/update',
    component: Layout,
    hidden: true, // 隐藏在左侧菜单中
    children: [{
      path: '', // 二级路由path什么都不写 表示二级默认路由
      component: () => import('../views/import/index')
    }]
  }

  // {
  //   path: '/example',
  //   component: Layout,
  //   redirect: '/example/table',
  //   name: 'Example',
  //   meta: { title: 'Example', icon: 'el-icon-s-help' },
  //   children: [
  //     {
  //       path: 'table',
  //       name: 'Table',
  //       component: () => import('@/views/table/index'),
  //       meta: { title: 'Table', icon: 'table' }
  //     },
  //     {
  //       path: 'tree',
  //       name: 'Tree',
  //       component: () => import('@/views/tree/index'),
  //       meta: { title: 'Tree', icon: 'tree' }
  //     }
  //   ]
  // },

  // {
  //   path: '/form',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'index',
  //       name: 'Form',
  //       component: () => import('@/views/form/index'),
  //       meta: { title: 'Form', icon: 'form' }
  //     }
  //   ]
  // },

  // {
  //   path: '/nested',
  //   component: Layout,
  //   redirect: '/nested/menu1',
  //   name: 'Nested',
  //   meta: {
  //     title: 'Nested',
  //     icon: 'nested'
  //   },
  //   children: [
  //     {
  //       path: 'menu1',
  //       component: () => import('@/views/nested/menu1/index'), // Parent router-view
  //       name: 'Menu1',
  //       meta: { title: 'Menu1' },
  //       children: [
  //         {
  //           path: 'menu1-1',
  //           component: () => import('@/views/nested/menu1/menu1-1'),
  //           name: 'Menu1-1',
  //           meta: { title: 'Menu1-1' }
  //         },
  //         {
  //           path: 'menu1-2',
  //           component: () => import('@/views/nested/menu1/menu1-2'),
  //           name: 'Menu1-2',
  //           meta: { title: 'Menu1-2' },
  //           children: [
  //             {
  //               path: 'menu1-2-1',
  //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-1'),
  //               name: 'Menu1-2-1',
  //               meta: { title: 'Menu1-2-1' }
  //             },
  //             {
  //               path: 'menu1-2-2',
  //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-2'),
  //               name: 'Menu1-2-2',
  //               meta: { title: 'Menu1-2-2' }
  //             }
  //           ]
  //         },
  //         {
  //           path: 'menu1-3',
  //           component: () => import('@/views/nested/menu1/menu1-3'),
  //           name: 'Menu1-3',
  //           meta: { title: 'Menu1-3' }
  //         }
  //       ]
  //     },
  //     {
  //       path: 'menu2',
  //       component: () => import('@/views/nested/menu2/index'),
  //       name: 'Menu2',
  //       meta: { title: 'menu2' }
  //     }
  //   ]
  // },

  // {
  //   path: 'external-link',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'https://panjiachen.github.io/vue-element-admin-site/#/',
  //       meta: { title: 'External Link', icon: 'link' }
  //     }
  //   ]
  // },

  // // 404 page must be placed at the end !!!
  // { path: '*', redirect: '/404', hidden: true }
]

// 设置动态路由 (需要权限才可以访问的) 我们这里准备一个数组存放
// 这里导入是按顺序的会影响页面
export const asyncRoutes = [
  departmentsRouter,
  employeesRouter,
  permissionRouter,
  settingRouter,
  attendancesRouter,
  salarysRouter,
  approvalsRouter,
  socialRouter
]

const createRouter = () => new Router({
  // 地址栏设置 如果不设置 默认是hash(代#) history(不带#)
  mode: 'history',
  scrollBehavior: () => ({ y: 0 }), // 管理滚动行为, 让页面切换时回到顶部
  routes: [
    ...constantRoutes
    // ...asyncRoutes
  ] // 临时合并动态路由和静态路由
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
// 把路由信息重置为静态路由(动态路由有权限 静态没有 退出功能需要调用该方法)
export function resetRouter () {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
